(urth) Sundial with "multitudinous faces"?

[Dan'l Danehy-Oakes]

On Thu, May 12, 2011 at 9:30 AM, Gwern Branwen <gwern0 at gmail.com> wrote:

> It occurred to me that the sundials probably date back to Urth's
> interstellar empire if not earlier. Maybe they tell times on different
> *worlds*.

I don't see how you could do that - a sundial is limited to a 24-hour
cycle (during about half of which it isn't showing anything).

-- 
Dan'l Danehy-Oakes